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Re: QTSS relay strange behavior


On Mar 16, 2005, at 11:02 AM, George Cook wrote:

Jeffrey:

What happens to the "mystream.sdp" file?

it's still there.

Is this file created via an automatic (announced) unicast?

I believe so, yes. VLC is creating the file.

If the source for the relay goes down, or the streaming server can't access an incoming stream for the source, it will stop relaying to any announced destinations (I assume that relay.sdp is an announced destination).

No, i don't think this is happening, because I can still get multiple streams from the source (mystream.sdp).
One thing you can try is setting the destination to unannounced udp on specific port numbers.

I tried that, but it doesn't seem to work. I don't think i understand.

You'll have to copy the mystream.sdp file to relay.sdp, then edit the copy. The edits you need to make:
◦ The line that begins with "c=IN IP4" should be edited with loopback address (127.0.0.1) or the address of your server.

It's already at 127.0.0.1

◦ The first line that begins with "m=" should use the port number specified in the destination.

what do you mean by "the destination". I'm trying to stream video from a QTSS server, to a DSS server. which one is "the destination" ? And how do i know what is "the port number"?

◦ The second line that begins with "m=" should use the port number + 2 specified in the destination.

There is only on "m=" line. As much as i can tell from the RFC, only one is needed for a video only stream.


FYI, this is the contents of the "mystream.sdp" file( on the QTSS server):

v=0
o=- 1111085983532906 1 IN IP4 127.0.0.1
s=NONE
t=0 0
a=tool:vlc 0.8.1
c=IN IP4 127.0.0.1
m=video 1236 RTP/AVP 96
a=rtpmap:96 MP4V-ES/90000
a=fmtp:96 profile-level-id=3; config=000001b001000001b58913000001000000012000c48d8800cd09b41f5463000001b246466d706567302e342e392d707265316234373331;


thanks

-- JP

------------------------------------------------------------------------
Jeffrey Pohlmann
Website Project Manager
San Diego State University - Field Station Programs
http://fs.sdsu.edu
------------------------------------------------------------------------
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References: 
 >QTSS, VLC, and an IQEye3 network camera. (From: Jeffrey <email@hidden>)
 >Re: QTSS, VLC, and an IQEye3 network camera. (From: George Cook <email@hidden>)
 >Re: QTSS, VLC, and an IQEye3 network camera. (From: Jeffrey <email@hidden>)
 >QTSS relay strange behavior (From: Jeffrey <email@hidden>)
 >Re: QTSS relay strange behavior (From: George Cook <email@hidden>)



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